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<html>
<head>
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  <title>Document</title>
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  <!-- 自定义的样式文件 -->
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</head>
<body class="text-center">
  <form class="form-signin">
    <img class="mb-4" src="images/timg.jpg" alt="" width="72" height="72">
    <h1 class="h3 mb-3">请登录</h1>
    <label for="inputEmail" class="sr-only">邮箱地址</label>
    <input type="email" id="inputEmail" class="form-control" placeholder="邮箱地址" required="" autofocus="">
    <label for="password" class="sr-only">密码</label>
    <input type="password" id="password" class="form-control" placeholder="密码" required="">
    <div class="mb-3">
    <label>
      <input type="checkbox" value="remember-me">记住密码
    </label>
    </div>
    <button class="btn btn-lg btn-primary btn-block" type="submit">登录</button>
    <p class="mt-5 mb-3 text-muted">© 2020-2025</p>
  </form>
</body>  
</html>
